100308925 has 12 divisors (see below), whose sum is σ = 131700276. Its totient is φ = 75526400.

The previous prime is 100308917. The next prime is 100308931. The reversal of 100308925 is 529803001.

It can be written as a sum of positive squares in 6 ways, for example, as 6335289 + 93973636 = 2517^2 + 9694^2 .

It is not a de Polignac number, because 100308925 - 2³ = 100308917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100308893 and 100308902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117586 + ... + 118435.

It is an arithmetic number, because the mean of its divisors is an integer number (10975023).

Almost surely, 2^100308925 is an apocalyptic number.

It is an amenable number.

100308925 is a deficient number, since it is larger than the sum of its proper divisors (31391351).

100308925 is a wasteful number, since it uses less digits than its factorization.

100308925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236048 (or 236043 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 100308925 is about 10015.4343390589. The cubic root of 100308925 is about 464.6363596273.

The spelling of 100308925 in words is "one hundred million, three hundred eight thousand, nine hundred twenty-five".